2. amps-preamps
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Bass leaves after amp warms up?

I don't understand-after my Musical Fidelity M6i amp warms up for about an hour I notice the deep bass & kick drum aren't the same.
They sound less musical with loss of weight/depth.The notes are there but the moving of air have left.Sound is has much less impact and boreing.
I had the same problem with Bryston amp so there is no defect with amps nor with the rest of my equipment/
PSB Synchrony one speakers,AQ cables,Bryston CD Player.
My question has anyone heard similar & is there a plausable reason?
fishing716

Showing 3 responses by wilsynet

wilsynet's avatar
wilsynet
264 posts
 
The OP isn't willing to try much.

SPL meter? Nope. He's a professional musician, won't try the SPL meter. Taking the cover off the amp? Nope, no tool. Unwilling to go to the store to buy a set of allen keys. Besides, he isn't good at taking the cover off, he has the dexterity to be a musician but he can't turn a screw.

(Hardware stores will have both US and metric sizes by the way -- really easy investment.)

Likes swapping speaker cables though.
wilsynet's avatar
wilsynet
264 posts
 
Have you tried a power regenerator, like the PS Audio P5 or P3 power plant? Wiring could be fine, consistent and clean delivery of power might not be.

Buy from a dealer that accepts returns. If it doesn't do the trick, return it.
wilsynet's avatar
wilsynet
264 posts
 
It sounds like when other stuff is plugged in that your amps can't get enough clean power delivered to them.

I'd guess you're getting a voltage sag and the line conditioner as well as other things in the house are contributing.

A PS Audio P5 would solve that.
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